Nissan Frontier. Manual - part 858

HA-24

< REMOVAL AND INSTALLATION >

REFRIGERATION SYSTEM

NOTE:

Refer to 

HA-4, "Precaution for Refrigerant Connection"

.

1.

High-pressure service valve

2.

Clip

3.

High-pressure A/C pipe

4.

Refrigerant pressure sensor

5.

Condenser

6.

Compressor shaft seal

7.

High-pressure flexible A/C hose

8.

Low-pressure flexible A/C hose

9.

Low-pressure service valve

10. Low-pressure A/C pipe

11. Expansion valve

12. A/C drain hose

Front

COMPRESSOR

HA-25

< REMOVAL AND INSTALLATION >

C

D

E

F

G

H

J

K

L

M

A

B

HA

N

O

P

COMPRESSOR

Removal and Installation for Compressor

INFOID:0000000009478589

COMPONENTS

A/C Compressor Mounting - QR25DE

WJIA1277E

1.

Compressor

2.

Compressor idler bracket

HA-26

< REMOVAL AND INSTALLATION >

COMPRESSOR

A/C Compressor Mounting - VQ40DE

REMOVAL

1. Discharge the A/C refrigerant. Refer to 

HA-14, "HFC-134a (R-134a) Service Procedure"

.

2. Remove the front left wheel and tire (for VQ40DE only). Refer to 

WT-48, "Adjustment"

.

3. Remove the front left fender protector (for VQ40DE only). Refer to 

EXT-27, "Removal and Installation of

Front Fender Protector"

.

4. Remove the engine cover (for VQ40DE only). Refer to 

EM-140, "Removal and Installation"

.

5. Remove the drive belt. Refer to 

EM-14, "Removal and Installation"

 (QR25DE), 

EM-129, "Removal and

Installation"

 (VQ40DE).

6. Disconnect the harness connector from the compressor.
7. Disconnect both the high-pressure flexible A/C hose and low-pressure flexible A/C hose from the com-

pressor.

CAUTION:

Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air. 

8. Remove the A/C compressor bolts using power tools.

NOTE:

For the QR25DE engine, the upper compressor bolt is longer than the other compressor bolts and can

only be removed by repositioning the compressor after all the bolts have been loosened.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

• Do not reuse O-rings.

• Apply A/C oil to the O-ring of the low-pressure flexible A/C hose and high-pressure flexible A/C hose

for installation.

• After recharging the A/C system with refrigerant, check for leaks. Refer to 

HA-18, "Checking of

Refrigerant Leaks"

.

NOTE:

For the QR25DE engine, the upper compressor bolt is longer than the other compressor bolts and must be

installed in the compressor before positioning the compressor for installation.

LJIA0176E

1.

Compressor

2.

Front timing chain case

3.

Rear timing chain case

4.

Cylinder block

COMPRESSOR

HA-27

< REMOVAL AND INSTALLATION >

C

D

E

F

G

H

J

K

L

M

A

B

HA

N

O

P

Removal and Installation for Compressor Clutch

INFOID:0000000009478590

Magnet Clutch Assembly

NOTE:

Illustrations for removal and installation are shown with the compressor out of the vehicle for clarity.

REMOVAL

1. Remove the engine room cover (VQ40DE only). Refer to 

EM-140, "Removal and Installation"

.

2. Remove the cooling fan. Refer to 

CO-19, "Removal and Installation (Crankshaft driven type)"

 (QR25DE),

CO-47, "Removal and Installation (Crankshaft driven type)"

 (VQ40DE).

3. Remove the center bolt while holding the clutch disc stationary

using Tool as shown.

4. Remove the clutch disc and shims.

CAUTION:

Retain the shims for installation.

5. Remove the snap ring using a suitable tool.

AWIIA1284GB

1.

Magnet clutch assembly

2.

Magnet coil

3.

Pulley

4.

Clutch disc

5.

Snap ring

6.

Thermal protector (built in)

7.

Compressor

Tool number

:  — (J-44614)

WHA228

RHA072C